【Skill 5】Understand what kind of special offer you can receive
Understand what kind of special offer you can receive by combining the following 4 skills
[Skill 1] Understand the value (in yen) of a special offer from 円 (yen) and 券 (voucher)
[Skill 2] Understand the value (in yen) of the special offer, from 円 (yen) which follows the number of stamps you must collect
[Skill 3] Find words such as プレゼント (gift) or サービス (free) after the number of stamps you must collect
[Skill 4] Understand what kind of special offer you can receive from expressions such as コーヒー1杯 (1 cup of coffee) and ドリンク1杯 (1 drink)